xstate

XState Store adapter for json-render's StateStore interface. Use when integrating json-render with @xstate/store for state management via @json-render/xstate.

Quality

87%

Does it follow best practices?

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Securityby

Passed

No findings from the security scan

Quality

Content

100%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The body is a tight, fully executable integration guide with clear sections, a copy-paste install command, and a typed API table, earning top marks across conciseness, actionability, workflow clarity, and progressive disclosure. It avoids concept over-explanation and every token earns its place.

Dimension	Reasoning	Score
Conciseness	The body is lean: a copy-paste install command, a tight numbered usage example, and a compact API table, with no padding or explanation of concepts Claude already knows; the '@xstate/store v3+' line is an actionable dependency floor rather than date-sensitive guidance, so it does not pull this below the level-3 lean anchor.	3 / 3
Actionability	Provides fully executable TypeScript with real imports, createAtom, the adapter call, and StateProvider wiring, plus a typed options table, matching the 'fully executable, copy-paste ready' level-3 anchor.	3 / 3
Workflow Clarity	The usage example sequences the integration as explicit numbered steps (create atom -> create adapter -> use it); for this simple, non-destructive single-task skill the sequence is unambiguous, satisfying the simple-skills allowance for a level-3 workflow clarity score.	3 / 3
Progressive Disclosure	At under 50 lines with no bundle files present, the content is organized into well-signaled Installation, Usage, and API sections, meeting the simple-skills allowance for a level-3 progressive-disclosure score based on clean organization alone.	3 / 3
	Total	12 / 12 Passed

Description

75%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is concise, third-person, and clearly answers both what the skill does and when to use it with an explicit trigger clause and low conflict risk. Its weakest points are specificity and trigger-term coverage, which name the niche but lack multiple concrete actions or term variations.

Suggestions

Broaden the capability list beyond the single 'adapter' action, e.g. 'Wire an @xstate/store atom as the state backend, expose reads/writes through json-render's StateStore interface, and plug it into StateProvider.'

Add natural term variations a user might say, such as 'xstate', 'store atom', or 'json-render state management', alongside the package names to improve trigger-term coverage.

Keep the explicit 'Use when...' clause, but consider pairing it with a concrete symptom (e.g. 'Use when you need json-render state backed by @xstate/store instead of the default store').

Dimension	Reasoning	Score
Specificity	Names the domain and core action ('XState Store adapter for json-render's StateStore interface') but describes a single integration action rather than listing multiple concrete capabilities, matching the 'names domain and some actions' anchor and falling short of the multi-action level-3 example.	2 / 3
Completeness	Explicitly answers what it does ('XState Store adapter for json-render's StateStore interface') and when to use it ('Use when integrating json-render with @xstate/store...'), satisfying the level-3 anchor requiring both with an explicit trigger; it is not level 2 because the 'when' is explicit, not implied.	3 / 3
Trigger Term Quality	Includes the precise terms a developer would name ('XState Store', 'json-render', '@xstate/store', 'state management', '@json-render/xstate'), but offers limited variations or synonyms compared to the level-3 anchor's broad coverage of natural terms.	2 / 3
Distinctiveness Conflict Risk	The combination of '@xstate/store', 'json-render', and '@json-render/xstate' carves out a narrow, well-defined niche unlikely to trigger for other skills, matching the 'clear niche with distinct triggers' anchor.	3 / 3
	Total	10 / 12 Passed

Validation

100%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository: vercel-labs/json-render
Path: skills/xstate/SKILL.md
Commit: 9d3dfc8

Reviewed: about 12 hours ago

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